General

  • Target

    23ad9152f3a6d184571cc783570acfb3.exe

  • Size

    2.6MB

  • Sample

    220925-ajw6eadghk

  • MD5

    23ad9152f3a6d184571cc783570acfb3

  • SHA1

    1cfe06ef207bd6467cbb585f8e3a9760e2989b97

  • SHA256

    6a3089c2b2f867954b3bc96c9c5938a5fffe909d446a5596538e816bcd948d0c

  • SHA512

    b980b1cbaef4d95af294c9558020568d027b471ccb4b8e892c685a933a69e0fb46e6914b79e5f93f7e4fda69c8f81876cdc51a6c4cb61ce897e03f3d96bea829

  • SSDEEP

    49152:+pTn80rAHkSrvT7yEBpojAGw3fo+5D0gRbfGNW8UlbSpDCP2XF:+ZpktrvTOqp2Nw3L0gRbfGI8sepeu1

Malware Config

Targets

    • Target

      23ad9152f3a6d184571cc783570acfb3.exe

    • Size

      2.6MB

    • MD5

      23ad9152f3a6d184571cc783570acfb3

    • SHA1

      1cfe06ef207bd6467cbb585f8e3a9760e2989b97

    • SHA256

      6a3089c2b2f867954b3bc96c9c5938a5fffe909d446a5596538e816bcd948d0c

    • SHA512

      b980b1cbaef4d95af294c9558020568d027b471ccb4b8e892c685a933a69e0fb46e6914b79e5f93f7e4fda69c8f81876cdc51a6c4cb61ce897e03f3d96bea829

    • SSDEEP

      49152:+pTn80rAHkSrvT7yEBpojAGw3fo+5D0gRbfGNW8UlbSpDCP2XF:+ZpktrvTOqp2Nw3L0gRbfGI8sepeu1

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • UAC bypass

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Bypass User Account Control

1
T1088

Scheduled Task

1
T1053

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

2
T1005

Tasks